{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "OBJECTIVE : The pharmacological response to drugs that act on the cholinergic system of the iris has been used to predict deficits in central cholinergic functioning due to diseases such as Alzheimer ' s disease , yet correlations between central and peripheral responses have not been properly studied ."}
{"Disease": ["Alzheimer ' s disease"], "Chemical": []}